Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar>6 mol %, (2) Tg?95?2.2*(H Ar), and (3) Tg??53+(0.265*Mn).

Abstract: Processes of making copolymers of vinyl ether monomer and cyclic viny ether monomer are provided herein. The copolymers are produced by cationic polymerization with an initiator catalyst under ambient conditions. The vinyl ether dihydrofuran copolymers have a heat distortion temperature of at least 70° C. and a glass transition temperature of at least 65° C. providing excellent mechanical properties.

Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising from 50 to 100 phr of one or more copolymers of butadiene and of vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight and a Tg within a range extending from ?110° C. to ?70° C.; and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar>6 mol %, (2) Tg?95?2.2*(H Ar), and (3) Tg??53+(0.265*Mn).

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 40 phr of styrene/butadiene copolymer; about 60 to about 100 phr of natural rubber or polyisoprene; a curative agent; an antioxidant; about 1 to about 20 phr carbon black; about 5 to about 40 phr plasticizing agent; about 40 to about 80 phr silica; about 1 to about 20 phr silane coupling agent and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 30 to about 70 phr of polybutadiene having a cis-1,4 linkage content of at least 95%; about 30 to 70 phr of natural rubber or polyisoprene; about 20 to 50 phr of a processing oil; a curative agent; an antioxidant; about 50 to about 80 phr filler; a silane coupling agent; and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 20 to about 40 phr of a polybutadiene having a cis-1,4 linkage content of at least 95%; about 40 to about 70 phr styrene/butadiene copolymer; about 5 to about 30 phr natural rubber or polyisoprene; a curative agent; an antioxidant; about 1 to about 20 phr carbon black; about 1 to about 30 phr plasticizing oil; about 40 to about 80 phr silica; about 1 to about 15 phr silane coupling agent and about 5 to about 30 phr of a polymer selected from the group consisting of an ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer.

Abstract: Described herein are hydrocarbon polymer modifiers for use in various applications. The hydrocarbon polymer modifier comprises a cyclic component, and has a glass transition temperature and Mn defined by the following two equations: (1) Tg?95?2.2*(% H Ar), and (2) Tg??53+(0.265*Mn); an aromatic proton content (% H Ar) of from 12 mole % to 19 mole %; and an Mn of from 300 g/mole to 450 g/mole, wherein Tg is glass transition temperature as expressed in ° C. of the modifier, the % H Ar represents the content of aromatic protons in the hydrocarbon polymer modifier, Mn represents the number average molecular weight of the hydrocarbon polymer modifier, and the cyclic component is selected from the group of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof. Further, the hydrocarbon polymer modifier may be characterized by a Tg of from 70° C. to 95° C. and/or a z-average molecular weight (Mz) of the hydrocarbon polymer modifier of less than 1000 g/mole.

Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising at least one copolymer of butadiene and of vinylaromatic monomer and a hydrocarbon resin. The hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, C4, C5 and C6 cyclic olefins and mixtures thereof. The hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) 12 mol %?H Ar?19 mol %, (2) Tg?95?2.2*(H Ar), (3) Tg??53+(0.265*Mn) and (4) 300 g/mol?Mn?450 g/mol.

Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin. The hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, C4, C5 and C6 cyclic olefins and mixtures thereof. The hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) 12 mol %?H Ar?19 mol %, (2) Tg?95-2.2*(H Ar), (3) Tg??53+(0.265*Mn) and (4) 300 g/mol?Mn?450 g/mol.

Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a number average molecular weight (Mn) of between 150 and 800 g/mol, and a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar?6 mol %, (2) Tg?95?2.2*(H Ar), (3) Tg?125?(0.08*Mn).

Abstract: Provided herein are isobutylene-based polymer compositions comprising functionalized isobutylene-based polymer with olefinic side chain substituents, and a sulfur donor and/or accelerator cure system. The functionalized polymer is produced via nucleophilic substitution reaction in solution. The present functionalized isobutylene-based polymer compositions together with various accelerators and sulfur donors can form thermosets useful for pharmaceutical and tire applications without the use of zinc or a zinc oxide activator.

Abstract: Provided herein are thioacetate isobutylene-based polymer compositions comprising thioalkylated functionalized polymer, and a sulfur donor and/or accelerator cure system. The thioalkylated functionalized polymer is produced via nucleophilic substitution reaction in solution. The present thioacetate functionalized isobutylene-based polymer compositions together with various accelerators and sulfur donors can form thermosets useful for pharmaceutical and tire applications without the use of zinc or a zinc oxide activator.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 30 to about 70 phr of polybutadiene having a cis- 1,4 linkage content of at least 95%; about 30 to 70 phr of natural rubber or polyisoprene; about 20 to 50 phr of a processing oil; a curative agent; an antioxidant; about 50 to about 80 phr filler; a silane compling agent; and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl mbber, poly(isobutylene-co- para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): 0 to about 50 phr of a polybutadiene having a cis-1,4 linkage content of at least 95%; about 50 to 100 phr of natural rubber or polyisoprene; a curative agent; an antioxidant; about 10 to about 80 phr carbon black; optionally about 30 to about 70 phr silica; about 1 to about 20 phr hydrocarbon resin; and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methyl-styrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, oly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 40 phr of styrene/butadiene copolymer; about 60 to about 100 phr of natural mbber or polyisoprene; a curative agent; an antioxidant; about 1 to about 20 phr carbon black; about 5 to about 40 phr plasticizing agent; about 40 to about 80 phr silica; about 1 to about 20 phr silane coupling agent and about 5 to about 30 phr of a polymer selected from the group consisting of ethyl-ene-propylene-diene terpolymer, butyl mbber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl mbber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 30 phr of polybutadiene having a cis-1,4 linkage content of at least 95%; about 60 to 100 phr of a styrene/butadiene copolymer; an antioxidant; a curative agent; about 1 to about 20 phr carbon black; about 50 to 80 phr silica, a silane coupling agent and about 5 to about 30 phr of a polymer is selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 60 to about 100 phr of polybutadiene having a cis-1,4 linkage content of at least 95%; about 5 to 40 phr of a styrene/butadiene copolymer; a curative agent; an antioxidant; about 50 to about 80 phr hydrocarbon resin; about 100 to about 140 phr silica; about 1 to about 20 phr silane coupling agent and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methyl-styrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 30 phr of polybutadiene having a cis-1,4 linkage content of at least 95%; about 60 to 100 phr of a styrene/butadiene copolymer; an antioxidant; about 1 to about 20 phr carbon black; about 100-140 phr silica; a silane coupling agent and about 5 to about 40 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly (isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly (isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.

Abstract: An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 20 to about 40 phr of a polybutadiene having a cis-1,4 linkage content of at least 95%; about 40 to about 70 phr styrene/ butadiene copolymer; about 5 to about 30 phr natural rubber or polyisoprene; a curative agent; an antioxidant; about 1 to about 20 phr carbon black; about 1 to about 30 phr plasticizing oil; about 40 to about 80 phr silica; about 1 to about 15 phr silane coupling agent and about 5 to about 30 phr of a polymer selected from the group consisting of an ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer.

Abstract: Described herein are hydrocarbon polymer modifiers for use in various applications. The hydrocarbon polymer modifier comprises a cyclic component, and has a glass transition temperature and Mn defined by the following two equations: (1) Tg?95?2.2*(% H Ar); and (2) Tg??53+(0.265*Mn) and an aromaticity content of greater than 6 mole %, wherein Tg is glass transition temperature as expressed in ° C. of the modifier, the % H Ar represents the content of aromatic protons in the hydrocarbon polymer modifier, and Mn represents the number average molecular weight of the hydrocarbon polymer modifier, and the cyclic component is selected from the group of a distillation cut from a petroleum refinery stream, and/or C4 C5 or C6 cyclic olefins and mixtures thereof. The hydrocarbon modifiers are particularly useful in high Tg applications where low molecular weight resin is desirable.